Angular cuts on 10mm(3/8) plate

I’m having troubles with my cuts now. Have a razor cut 45 with Langmuir machine torch and mount. When cutting 10mm (3/8”) steel plate I’m getting no taper on the y axis but terrible taper on the x axis. Torch and gantry are perfectly square and taper is not consistent with out of square torch. Taper will be correct dimension on top side but larger on the bottom. (Always bigger on the bottom)
What is everyone’s thoughts?